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test/hotspot/jtreg/gc/survivorAlignment/TestPromotionFromSurvivorToTenuredAfterMinorGC.java

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   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 package gc.survivorAlignment;
  25 
  26 /**
  27  * @test gc.survivorAlignment.TestPromotionFromSurvivorToTenuredAfterMinorGC
  28  * @bug 8031323
  29  * @summary Verify that objects promoted from survivor space to tenured space
  30  *          when their age exceeded tenuring threshold are not aligned to
  31  *          SurvivorAlignmentInBytes value.
  32  * @requires vm.gc != "Z" & vm.gc != "Shenandoah"
  33  * @library /test/lib
  34  * @library /
  35  * @modules java.base/jdk.internal.misc
  36  *          java.management
  37  * @build sun.hotspot.WhiteBox
  38  * @run driver ClassFileInstaller sun.hotspot.WhiteBox
  39  *                              sun.hotspot.WhiteBox$WhiteBoxPermission
  40  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
  41  *                   -XX:+WhiteBoxAPI -XX:NewSize=128m -XX:MaxNewSize=128m
  42  *                   -XX:OldSize=32M -XX:MaxHeapSize=160m -XX:SurvivorRatio=1 -XX:-ResizePLAB
  43  *                   -XX:-ExplicitGCInvokesConcurrent
  44  *                   -XX:+UnlockExperimentalVMOptions
  45  *                   -XX:SurvivorAlignmentInBytes=32
  46  *                   gc.survivorAlignment.TestPromotionFromSurvivorToTenuredAfterMinorGC 10m 9
  47  *                   TENURED
  48  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
  49  *                   -XX:+WhiteBoxAPI -XX:NewSize=128m -XX:MaxNewSize=128m
  50  *                   -XX:OldSize=32M -XX:MaxHeapSize=160m -XX:SurvivorRatio=1 -XX:-ResizePLAB
  51  *                   -XX:-ExplicitGCInvokesConcurrent
  52  *                   -XX:+UnlockExperimentalVMOptions
  53  *                   -XX:SurvivorAlignmentInBytes=32
  54  *                   gc.survivorAlignment.TestPromotionFromSurvivorToTenuredAfterMinorGC 20m 47




   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 package gc.survivorAlignment;
  25 
  26 /**
  27  * @test
  28  * @bug 8031323
  29  * @summary Verify that objects promoted from survivor space to tenured space
  30  *          when their age exceeded tenuring threshold are not aligned to
  31  *          SurvivorAlignmentInBytes value.
  32  * @requires vm.gc != "Z" & vm.gc != "Shenandoah"
  33  * @library /test/lib

  34  * @modules java.base/jdk.internal.misc
  35  *          java.management
  36  * @build sun.hotspot.WhiteBox
  37  * @run driver ClassFileInstaller sun.hotspot.WhiteBox
  38  *                              sun.hotspot.WhiteBox$WhiteBoxPermission
  39  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
  40  *                   -XX:+WhiteBoxAPI -XX:NewSize=128m -XX:MaxNewSize=128m
  41  *                   -XX:OldSize=32M -XX:MaxHeapSize=160m -XX:SurvivorRatio=1 -XX:-ResizePLAB
  42  *                   -XX:-ExplicitGCInvokesConcurrent
  43  *                   -XX:+UnlockExperimentalVMOptions
  44  *                   -XX:SurvivorAlignmentInBytes=32
  45  *                   gc.survivorAlignment.TestPromotionFromSurvivorToTenuredAfterMinorGC 10m 9
  46  *                   TENURED
  47  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
  48  *                   -XX:+WhiteBoxAPI -XX:NewSize=128m -XX:MaxNewSize=128m
  49  *                   -XX:OldSize=32M -XX:MaxHeapSize=160m -XX:SurvivorRatio=1 -XX:-ResizePLAB
  50  *                   -XX:-ExplicitGCInvokesConcurrent
  51  *                   -XX:+UnlockExperimentalVMOptions
  52  *                   -XX:SurvivorAlignmentInBytes=32
  53  *                   gc.survivorAlignment.TestPromotionFromSurvivorToTenuredAfterMinorGC 20m 47


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